Michael Andrew Fox, known professionally as Michael J. Fox, is a Canadian-American retired actor. Beginning his career in the 1970s, he rose to prominence portraying Alex P. Keaton on the NBC sitcom Family Ties (1982–1989). Fox is famous for his role as protagonist Marty McFly in the Back to the Future film trilogy (1985–1990), a critical and commercial success. He went on to headline several films throughout the 1980s and 1990s, including Teen Wolf (1985), The Secret of My Success (1987), Casualties of War (1989), Doc Hollywood (1991), and The Frighteners (1996). Fox returned to television on the ABC sitcom Spin City in the lead role of Mike Flaherty from 1996 to 2000.